event | round | table | player one | result | player two |
Grand Prix Kyoto 2007 | 13 | 60 | Watanabe, Yuuya (1600) | Lost 1-2 | Shimizu, Naoki (1653) |
Grand Prix Kyoto 2007 | Q | Watanabe, Yuuya (1622) | Won 2-0 | Shimizu, Naoki (1689) | |
Pro Tour Austin 2009 | 14 | 3 | Watanabe, Yuuya (2228) | Won 2-0 | Shimizu, Naoki (1923) |
Grand Prix Hiroshima 2011 | 4 | 38 | Watanabe, Yuuya (2084) | Won 2-0 | Shimizu, Naoki (1704) |